商品簡介
In this guide, Schlereth draws on his experience as a sailor to explain how to navigate any stretch of sea using only a hand-held sextant, a watch, a plotting sheet, and a copy of the Nautical Almanac. The book offers instruction on how to take sights by the sun, moon, stars and planets, and discusses the advantages and disadvantages of each method. Common errors are reviewed, and suggestions given for improving accuracy. Several examples and situational illustrations are included. No bibliography. Annotation c. Book News, Inc., Portland, OR (booknews.com)
作者簡介
Hewitt Schlereth is an accomplished sailor and the author of several books on navigation, including Commonsense Coastal Navigation and Latitude and Longitude by Noon Sight. He is one of the foremost American authorities on celestial navigation.